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Mobile phone

en.wikipedia.org/wiki/Mobile_phone

A mobile phone is a portable telephone that can make and receive calls over a radio frequency ... The first handheld mobile cell phone was demonstrated by Motorola in 1973. .... Use of mobile phones...

How Do Cell Phones Work? | Pong Case by Pong Research

www.pongcase.com/blog/cell-phones-work/

Dec 20, 2014 ... With worldwide mobile subscriptions estimated to be around 7 billion in 2014, cell phones have become a universal and indispensable tool for ...

How Cell Phones Work | HowStuffWorks

electronics.howstuffworks.com/cell-phone.htm

Depending on the cell phone model, you can: Store contact information; Make task or to-do lists; Keep track of appointments and set reminders; Use the built-in  ...

How do cellphones work? - Explain that Stuff

www.explainthatstuff.com/cellphones.html

Apr 10, 2016 ... A simple introduction to cellphones (mobile phones) and how they work.

www.ask.com/youtube?q=How Do Cell Phones Work?&v=RhOKTHDHtho
Dec 18, 2012 ... An explanation on how cell phones work with my general knowledge and research. By: Raquel Gonzalez.

How do mobile phones work?| Explore | physics.org

www.physics.org/article-questions.asp?id=82

With the arrival of the mobile phone in the 1980s, communications were no ... But using cells means that the same frequencies can be re-used by each cell.

How a Cell Phone Works

iml.jou.ufl.edu/projects/fall04/keith/Works.htm

A big secret that the cell phone companies have been keeping from the world is that a cell phone ... In order to really understand the way a cell phone works, we must discuss some of the cell phones history for just a moment. ... How they work  ...

03.04.07: The Physics of Cell Phones

www.yale.edu/ynhti/curriculum/units/2003/4/03.04.07.x.html

However, most people do not understand the physics of a cell phone. ... opportunity to explore and to solve problems about the physics of how cell phones work.

How Mobile Networks Work | Understanding Cellular Phone - Que

www.quepublishing.com/articles/article.aspx?p=2021961

Mar 14, 2013 ... Cellular phones work much the same way as do the other wireless devices ... within a cellular network originates with the handheld cell phone.

How A Cellphone Call Works (An Infographic That's Actually ...

gizmodo.com/5531818/how-a-cellphone-call-works-an-infographic-thats-actually-informative

May 5, 2010 ... This great infographic from Cellphones.org helps you understand the basics of how your magic ... @justinpe: Yeah, but how do magnets work?

Answers
Cell phones are extremely sophisticated radios that work by simultaneously sending and receiving signals from cell phone towers, or base stations.